#include<stdio.h>
int main()
{
	int i,t=1,s=0;
	for(i=1;i<=101;i+=2)
	{
		t=(i+1)/2%2!=0?t>0?t:-t:t<0?t:-t;//t=t*i;
		s=s+t;
		t>0?printf("+%d",t):printf("%d",t);
		t>0?t+=2:t-=2;//t=-t/i;
	}
	return 0;
}